CN206657680U - A kind of double jacket insulation - Google Patents
A kind of double jacket insulation Download PDFInfo
- Publication number
- CN206657680U CN206657680U CN201720340093.1U CN201720340093U CN206657680U CN 206657680 U CN206657680 U CN 206657680U CN 201720340093 U CN201720340093 U CN 201720340093U CN 206657680 U CN206657680 U CN 206657680U
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- CN
- China
- Prior art keywords
- inner sheath
- plug
- oversheath
- full skirt
- double jacket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
It the utility model is related to a kind of insulator, a kind of more particularly to double jacket insulation, including locking pin, metal-ware, plug and full skirt, inner sheath and oversheath are provided between plug and full skirt, plug, inner sheath, oversheath and full skirt are fixedly connected to form insulating element, connected between inner sheath and plug by coupling agent layer, inner sheath is by extruding encapsulated be fixed on plug, oversheath and full skirt injection are installed at inner sheath outer surface, oversheath and full skirt are structure as a whole, and metal-ware is crimped on insulating element both ends.Insulator in the utility model is designed by increasing inner sheath, avoid the long product stage injection contact of composite insulator nearby plug and the possible exception of silica gel adhesive effect, so as to ensure that the electric and performance of product, while it can effectively reduce plug eccentric degree caused by injection pressure in injection process.
Description
Technical field
It the utility model is related to a kind of insulator, more particularly to a kind of double jacket insulation.
Background technology
Composite insulator because its small volume, in light weight, resistance to pollution flashover voltage is high the advantages that, be widely used in transmission line of electricity.
Composite insulator generally use integral injection molding, due to being limited by equipment die, long product especially super-pressure,
Extra-high die pressing product is, it is necessary to stage injection, repeatedly shaping.Contact position is segmented easily by reason shadows such as temperature, pressure, sizing material flowings
Ring, the flaws such as sheath, plug poor attachment easily occur in the near sites.Existing problems report in actual supply of material use
Road.
Utility model content
The utility model in order to solve in the prior art single jacket insulation because easily occurring poor attachment in forming process and
Influence the phenomenon of Insulators Used, there is provided a kind of double jacket insulation.To solve the above problems, the utility model is using as follows
Technical scheme：A kind of double jacket insulation, including locking pin, metal-ware, plug and full skirt, are provided between plug and full skirt
Inner sheath and oversheath, described plug, inner sheath, oversheath and full skirt are fixedly connected to form insulating element, described interior shield
Set plug between connected by coupling agent layer, described inner sheath by extrude it is encapsulated be fixed on plug, described outer shield
Set and full skirt injection are installed at inner sheath outer surface, and described oversheath and full skirt are structure as a whole, described metal-ware pressure
It is connected on insulating element both ends.
Further, described inner sheath is silicone rubber jacket, and described inner sheath thickness is more than or equal to 1mm.
Further, the thickness of the oversheath is more than or equal to the thickness of inner sheath.
Further, described oversheath and full skirt are that shot shaping or stage injection are molded.
Further, described inner sheath is once to extrude encapsulated shaping.
Further, described inner sheath runs through insulating element.
The beneficial effect that the utility model is reached：1st, the composite insulator in the utility model is set by increasing inner sheath
Meter, effectively reduce plug eccentric degree caused by injection pressure in injection process；2nd, the inner sheath in the utility model is once
Shaping and the inner sheath for running through whole insulating element length range, the adhesive effect and uniformity of silicon rubber and plug are improved, is had
Effect prevents the long product stage injection contact of composite insulator nearby plug and the possible exception of silica gel adhesive effect, so as to ensure that
The electric and performance of product；3rd, the thickness of inner sheath not less than 1mm and is not more than sheath gross thickness in the utility model
1/2, fully ensure that full skirt and oversheath inject the enough flowing spaces of sizing material；4th, double sheath compound inslations in the utility model
Son is by merging squeezing bag penetrating umbrella and being injection moulded two big main flow composite insulator moulding process, two layers of silica gel sheath with inside and outside,
All size composite insulator is applicable to, is not limited to external insulation silicon rubber beveled structure and size.
Brief description of the drawings
The structural representation of double jacket insulation of Fig. 1；
1, locking pin in figure, 2, metal-ware, 3, plug, 4, inner sheath, 5, oversheath, 6, full skirt.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
As shown in figure 1, double jacket insulation attached bags include locking pin 1, metal-ware 2 and insulating element, insulating element is by plug
3rd, inner sheath 4, oversheath 5 and full skirt 6 form, and are installed additional after the external coating coupling agent of plug 3 by integral extrusion encapsulation methods
Silicon rubber inner sheath 4, silicon rubber inner sheath 4 run through whole insulating element, and inner sheath 4 is one-shot forming, is improved in silicon rubber
The adhesive effect and uniformity of sheath 4 and plug 3, the structure can effectively prevent that the long product stage injection contact of composite insulator is attached
Nearly plug 3 and the possible exception of silica gel adhesive effect, effectively reduce by 3 eccentric journey of plug caused by injection pressure in injection process
Degree, and then ensure that the electric property of product；Protected after installing inner sheath 4 additional in the outer surface of inner sheath 4 by being injection moulded outside installation
Set 5 and full skirt 6, oversheath 5 and full skirt 6 are structure as a whole, and oversheath 5 and full skirt 6 are that also sectional is injected for a shot；Interior shield
The thickness of set 4 is not less than 1mm and no more than the 1/2 of sheath gross thickness, it is ensured that full skirt 6 and oversheath 5 have when injecting sizing material
Enough flowing spaces.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change
Enter and deform and also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of double jacket insulation, including locking pin（1）, metal-ware（2）, plug（3）And full skirt（6）, it is characterised in that：
In plug（3）And full skirt（6）Between be provided with inner sheath（4）And oversheath（5）, described plug（3）, inner sheath（4）, oversheath
（5）And full skirt（6）It is fixedly connected to form insulating element, described inner sheath（4）And plug（3）Between connected by coupling agent layer
Connect, described inner sheath（4）Encapsulated plug is fixed on by extruding（3）On, described oversheath（5）And full skirt（6）Injection adds
Mounted in inner sheath（4）Outer surface, described oversheath（5）And full skirt（6）It is structure as a whole, described metal-ware（2）Crimping
At insulating element both ends.
2. double jacket insulation according to claim 1, it is characterised in that：Described inner sheath（4）For silicone rubber jacket,
Described inner sheath（4）Thickness is more than or equal to 1mm.
3. double jacket insulation according to claim 1, it is characterised in that：The oversheath（5）Thickness be more than or wait
In inner sheath（4）Thickness.
4. double jacket insulation according to claim 1, it is characterised in that：Described oversheath（5）And full skirt（6）For one
Secondary injection moulding or stage injection shaping.
5. double jacket insulation according to claim 1, it is characterised in that：Described inner sheath（4）Once to extrude bag
Gum forming.
6. double jacket insulation according to claim 1, it is characterised in that：Described inner sheath（4）Through insulating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340093.1U CN206657680U (en) | 2017-04-01 | 2017-04-01 | A kind of double jacket insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340093.1U CN206657680U (en) | 2017-04-01 | 2017-04-01 | A kind of double jacket insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206657680U true CN206657680U (en) | 2017-11-21 |
Family
ID=60317059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720340093.1U Active CN206657680U (en) | 2017-04-01 | 2017-04-01 | A kind of double jacket insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206657680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600211A (en) * | 2019-10-22 | 2019-12-20 | 南京大学 | Composite insulator core rod with modified POE plastic as outer layer |
-
2017
- 2017-04-01 CN CN201720340093.1U patent/CN206657680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600211A (en) * | 2019-10-22 | 2019-12-20 | 南京大学 | Composite insulator core rod with modified POE plastic as outer layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180330 Address after: 210046 Xianxin Dong Road, Qixia District, Nanjing, Jiangsu Province, No. 99 Patentee after: NANJING ELECTRICAL INSULATOR CO., LTD. Address before: No. 99, Xian Xin Dong Road, No. 63, Tai Xin Road, Qixia District, Nanjing, Jiangsu Co-patentee before: Nanjing Electric (Group) Co., Ltd. Patentee before: NANJING ELECTRICAL INSULATOR CO., LTD. |
|
| TR01 | Transfer of patent right |